Carrier-frequency offsets estimation based on ML and ESPRIT method for OFDMA uplink

Abstract

Carrier frequency offsets (CFOs) in orthogonal frequency division multiplexing access (OFDMA) system will introduce intercarrier interference (ICI) and consequently degrade the system performance. A new frequency offsets estimation algorithm based on the combination of ESPRIT (estimation of signal parameters by rotational invariance techniques) and the… (More)
DOI: 10.1109/AINA.2006.122

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